<?xml version="1.0" encoding="UTF-8"?>
<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://ftp.ebi.ac.uk/pub/databases/em_ebi/emdb_related/emdb-schemas/emdb_schemas/v3/v3_0_11_0/emdb.xsd" version="3.0.11.0" emdb_id="EMD-44654">
    <admin>
        <current_status>
            <date>2026-05-27</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <revision_history>
            <revision version="1.0" date="2025-05-14">
                <change_list>
                    <model>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </model>
                    <metadata>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </metadata>
                    <fsc>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </fsc>
                    <half_map part="1">
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </half_map>
                    <half_map part="2">
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </half_map>
                    <image>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </image>
                    <mask part="1">
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </mask>
                    <primary_map>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </primary_map>
                </change_list>
            </revision>
            <revision version="2.0" date="2025-11-19">
                <change_list>
                    <model>
                        <revision_type>COORDINATE_REPLACEMENT</revision_type>
                        <provider>AUTHOR</provider>
                        <description>Ligand geometry</description>
                        <revision_group>STRUCTURE_SUMMARY</revision_group>
                        <categories>
                            <category>atom_site</category>
                            <category>audit_author</category>
                            <category>citation</category>
                            <category>citation_author</category>
                            <category>em_admin</category>
                            <category>em_entity_assembly</category>
                            <category>em_single_particle_entity</category>
                            <category>em_software</category>
                            <category>entity</category>
                            <category>entity_name_com</category>
                            <category>entity_poly</category>
                            <category>entity_poly_seq</category>
                            <category>entity_src_gen</category>
                            <category>ndb_struct_na_base_pair</category>
                            <category>ndb_struct_na_base_pair_step</category>
                            <category>pdbx_contact_author</category>
                            <category>pdbx_database_related</category>
                            <category>pdbx_entity_instance_feature</category>
                            <category>pdbx_nonpoly_scheme</category>
                            <category>pdbx_poly_seq_scheme</category>
                            <category>pdbx_struct_assembly_gen</category>
                            <category>pdbx_struct_conn_angle</category>
                            <category>pdbx_struct_sheet_hbond</category>
                            <category>pdbx_unobs_or_zero_occ_atoms</category>
                            <category>pdbx_unobs_or_zero_occ_residues</category>
                            <category>pdbx_validate_planes</category>
                            <category>pdbx_validate_rmsd_angle</category>
                            <category>pdbx_validate_torsion</category>
                            <category>refine</category>
                            <category>refine_ls_restr</category>
                            <category>struct_asym</category>
                            <category>struct_conf</category>
                            <category>struct_conn</category>
                            <category>struct_mon_prot_cis</category>
                            <category>struct_ref</category>
                            <category>struct_ref_seq</category>
                            <category>struct_ref_seq_dif</category>
                            <category>struct_sheet</category>
                            <category>struct_sheet_order</category>
                            <category>struct_sheet_range</category>
                        </categories>
                        <items>
                            <item>_citation.title</item>
                            <item>_em_admin.last_update</item>
                            <item>_em_entity_assembly.entity_id_list</item>
                            <item>_em_entity_assembly.name</item>
                            <item>_entity.formula_weight</item>
                            <item>_entity.pdbx_description</item>
                            <item>_entity.pdbx_ec</item>
                            <item>_entity.pdbx_number_of_molecules</item>
                            <item>_entity_name_com.name</item>
                            <item>_entity_poly.pdbx_seq_one_letter_code</item>
                            <item>_entity_poly.pdbx_seq_one_letter_code_can</item>
                            <item>_entity_src_gen.pdbx_end_seq_num</item>
                            <item>_entity_src_gen.pdbx_gene_src_gene</item>
                            <item>_entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id</item>
                            <item>_entity_src_gen.pdbx_gene_src_scientific_name</item>
                            <item>_entity_src_gen.pdbx_host_org_ncbi_taxonomy_id</item>
                            <item>_entity_src_gen.pdbx_host_org_scientific_name</item>
                            <item>_ndb_struct_na_base_pair.buckle</item>
                            <item>_ndb_struct_na_base_pair.hbond_type_12</item>
                            <item>_ndb_struct_na_base_pair.hbond_type_28</item>
                            <item>_ndb_struct_na_base_pair.i_auth_seq_id</item>
                            <item>_ndb_struct_na_base_pair.i_label_comp_id</item>
                            <item>_ndb_struct_na_base_pair.i_label_seq_id</item>
                            <item>_ndb_struct_na_base_pair.j_auth_seq_id</item>
                            <item>_ndb_struct_na_base_pair.j_label_comp_id</item>
                            <item>_ndb_struct_na_base_pair.j_label_seq_id</item>
                            <item>_ndb_struct_na_base_pair.opening</item>
                            <item>_ndb_struct_na_base_pair.pair_name</item>
                            <item>_ndb_struct_na_base_pair.propeller</item>
                            <item>_ndb_struct_na_base_pair.shear</item>
                            <item>_ndb_struct_na_base_pair.stagger</item>
                            <item>_ndb_struct_na_base_pair.stretch</item>
                            <item>_ndb_struct_na_base_pair_step.helical_rise</item>
                            <item>_ndb_struct_na_base_pair_step.helical_twist</item>
                            <item>_ndb_struct_na_base_pair_step.i_auth_seq_id_1</item>
                            <item>_ndb_struct_na_base_pair_step.i_auth_seq_id_2</item>
                            <item>_ndb_struct_na_base_pair_step.i_label_comp_id_1</item>
                            <item>_ndb_struct_na_base_pair_step.i_label_comp_id_2</item>
                            <item>_ndb_struct_na_base_pair_step.i_label_seq_id_1</item>
                            <item>_ndb_struct_na_base_pair_step.i_label_seq_id_2</item>
                            <item>_ndb_struct_na_base_pair_step.inclination</item>
                            <item>_ndb_struct_na_base_pair_step.j_auth_seq_id_1</item>
                            <item>_ndb_struct_na_base_pair_step.j_auth_seq_id_2</item>
                            <item>_ndb_struct_na_base_pair_step.j_label_comp_id_1</item>
                            <item>_ndb_struct_na_base_pair_step.j_label_comp_id_2</item>
                            <item>_ndb_struct_na_base_pair_step.j_label_seq_id_1</item>
                            <item>_ndb_struct_na_base_pair_step.j_label_seq_id_2</item>
                            <item>_ndb_struct_na_base_pair_step.rise</item>
                            <item>_ndb_struct_na_base_pair_step.roll</item>
                            <item>_ndb_struct_na_base_pair_step.shift</item>
                            <item>_ndb_struct_na_base_pair_step.slide</item>
                            <item>_ndb_struct_na_base_pair_step.step_name</item>
                            <item>_ndb_struct_na_base_pair_step.tilt</item>
                            <item>_ndb_struct_na_base_pair_step.tip</item>
                            <item>_ndb_struct_na_base_pair_step.twist</item>
                            <item>_ndb_struct_na_base_pair_step.x_displacement</item>
                            <item>_ndb_struct_na_base_pair_step.y_displacement</item>
                            <item>_pdbx_contact_author.id</item>
                            <item>_pdbx_struct_assembly_gen.asym_id_list</item>
                            <item>_refine.pdbx_ls_cross_valid_method</item>
                            <item>_struct_conf.beg_auth_asym_id</item>
                            <item>_struct_conf.beg_auth_comp_id</item>
                            <item>_struct_conf.beg_auth_seq_id</item>
                            <item>_struct_conf.beg_label_asym_id</item>
                            <item>_struct_conf.beg_label_comp_id</item>
                            <item>_struct_conf.beg_label_seq_id</item>
                            <item>_struct_conf.end_auth_asym_id</item>
                            <item>_struct_conf.end_auth_comp_id</item>
                            <item>_struct_conf.end_auth_seq_id</item>
                            <item>_struct_conf.end_label_asym_id</item>
                            <item>_struct_conf.end_label_comp_id</item>
                            <item>_struct_conf.end_label_seq_id</item>
                            <item>_struct_conf.pdbx_PDB_helix_class</item>
                            <item>_struct_conf.pdbx_PDB_helix_length</item>
                            <item>_struct_mon_prot_cis.label_seq_id</item>
                            <item>_struct_mon_prot_cis.pdbx_label_seq_id_2</item>
                            <item>_struct_mon_prot_cis.pdbx_omega_angle</item>
                            <item>_struct_ref.db_code</item>
                            <item>_struct_ref.pdbx_align_begin</item>
                            <item>_struct_ref.pdbx_db_accession</item>
                            <item>_struct_ref.pdbx_seq_one_letter_code</item>
                            <item>_struct_ref_seq.db_align_beg</item>
                            <item>_struct_ref_seq.db_align_end</item>
                            <item>_struct_ref_seq.pdbx_auth_seq_align_beg</item>
                            <item>_struct_ref_seq.pdbx_auth_seq_align_end</item>
                            <item>_struct_ref_seq.pdbx_db_accession</item>
                            <item>_struct_ref_seq.seq_align_beg</item>
                            <item>_struct_ref_seq.seq_align_end</item>
                        </items>
                    </model>
                    <metadata>
                        <revision_group>STRUCTURE_SUMMARY</revision_group>
                        <categories>
                            <category>citation</category>
                            <category>citation_author</category>
                            <category>em_admin</category>
                            <category>em_entity_assembly</category>
                            <category>em_single_particle_entity</category>
                            <category>em_software</category>
                            <category>entity</category>
                            <category>entity_poly</category>
                            <category>entity_src_gen</category>
                            <category>pdbx_database_related</category>
                            <category>struct_ref</category>
                            <category>struct_ref_seq</category>
                            <category>struct_ref_seq_dif</category>
                        </categories>
                        <items>
                            <item>_citation.title</item>
                            <item>_em_admin.last_update</item>
                            <item>_em_entity_assembly.entity_id_list</item>
                            <item>_em_entity_assembly.name</item>
                            <item>_entity.formula_weight</item>
                            <item>_entity.pdbx_description</item>
                            <item>_entity.pdbx_ec</item>
                            <item>_entity.pdbx_number_of_molecules</item>
                            <item>_entity_poly.pdbx_seq_one_letter_code</item>
                            <item>_entity_poly.pdbx_seq_one_letter_code_can</item>
                            <item>_entity_src_gen.pdbx_end_seq_num</item>
                            <item>_entity_src_gen.pdbx_gene_src_gene</item>
                            <item>_entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id</item>
                            <item>_entity_src_gen.pdbx_gene_src_scientific_name</item>
                            <item>_entity_src_gen.pdbx_host_org_ncbi_taxonomy_id</item>
                            <item>_entity_src_gen.pdbx_host_org_scientific_name</item>
                            <item>_struct_ref.db_code</item>
                            <item>_struct_ref.pdbx_align_begin</item>
                            <item>_struct_ref.pdbx_db_accession</item>
                            <item>_struct_ref.pdbx_seq_one_letter_code</item>
                            <item>_struct_ref_seq.db_align_beg</item>
                            <item>_struct_ref_seq.db_align_end</item>
                            <item>_struct_ref_seq.pdbx_auth_seq_align_beg</item>
                            <item>_struct_ref_seq.pdbx_auth_seq_align_end</item>
                            <item>_struct_ref_seq.pdbx_db_accession</item>
                            <item>_struct_ref_seq.seq_align_beg</item>
                            <item>_struct_ref_seq.seq_align_end</item>
                        </items>
                    </metadata>
                    <half_map part="1">
                        <revision_type>DATA_UPDATED</revision_type>
                        <provider>REPOSITORY</provider>
                    </half_map>
                    <half_map part="2">
                        <revision_type>DATA_UPDATED</revision_type>
                        <provider>REPOSITORY</provider>
                    </half_map>
                    <mask part="1">
                        <revision_type>DATA_UPDATED</revision_type>
                        <provider>REPOSITORY</provider>
                    </mask>
                    <primary_map>
                        <revision_type>DATA_UPDATED</revision_type>
                        <provider>REPOSITORY</provider>
                    </primary_map>
                </change_list>
            </revision>
            <revision version="2.1" date="2026-05-27">
                <change_list>
                    <model>
                        <revision_group>DATABASE_REFERENCES</revision_group>
                        <categories>
                            <category>citation</category>
                            <category>citation_author</category>
                            <category>em_admin</category>
                        </categories>
                        <items>
                            <item>_citation.country</item>
                            <item>_citation.journal_abbrev</item>
                            <item>_citation.journal_id_ASTM</item>
                            <item>_citation.journal_id_CSD</item>
                            <item>_citation.journal_id_ISSN</item>
                            <item>_citation.journal_volume</item>
                            <item>_citation.page_first</item>
                            <item>_citation.page_last</item>
                            <item>_citation.pdbx_database_id_DOI</item>
                            <item>_citation.pdbx_database_id_PubMed</item>
                            <item>_citation.title</item>
                            <item>_citation.year</item>
                            <item>_em_admin.last_update</item>
                        </items>
                    </model>
                    <metadata>
                        <revision_group>EXPERIMENTAL_SUMMARY</revision_group>
                        <categories>
                            <category>citation</category>
                            <category>citation_author</category>
                            <category>em_admin</category>
                        </categories>
                        <items>
                            <item>_citation.country</item>
                            <item>_citation.journal_abbrev</item>
                            <item>_citation.journal_id_ASTM</item>
                            <item>_citation.journal_id_CSD</item>
                            <item>_citation.journal_id_ISSN</item>
                            <item>_citation.journal_volume</item>
                            <item>_citation.page_first</item>
                            <item>_citation.page_last</item>
                            <item>_citation.pdbx_database_id_DOI</item>
                            <item>_citation.pdbx_database_id_PubMed</item>
                            <item>_citation.title</item>
                            <item>_citation.year</item>
                            <item>_em_admin.last_update</item>
                        </items>
                    </metadata>
                </change_list>
            </revision>
        </revision_history>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2024-04-30</deposition>
            <header_release>2025-05-14</header_release>
            <map_release>2025-05-14</map_release>
            <update>2026-05-27</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>AI123498</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>AI158463</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>United States Department of Agriculture (USDA)</funding_body>
                <code>WIS03099</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>SARS-CoV-2 core polymerase complex inhibited by araCTP</title>
        <authors_list>
            <author>Anderson TK</author>
            <author>Kirchdeorfer RN</author>
        </authors_list>
        <keywords>SARS-CoV-2, RdRP, Polymerase, araCTP, VIRAL PROTEIN, VIRAL PROTEIN-RNA-INHIBITOR complex</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Xiao Z</author>
                    <author order="2">Das A</author>
                    <author order="3">Jain A</author>
                    <author order="4">Anderson TK</author>
                    <author order="5">Cameron CE</author>
                    <author order="6">Arnold JJ</author>
                    <author order="7">Dulin D</author>
                    <author order="8">Kirchdoerfer RN</author>
                    <title>Incorporation of arabinose-CTP and arabinose-UTP inhibits viral polymerases by inducing long pauses.</title>
                    <journal_abbreviation>J.Biol.Chem.</journal_abbreviation>
                    <country>US</country>
                    <volume>302</volume>
                    <first_page>111027</first_page>
                    <last_page>111027</last_page>
                    <year>2026</year>
                    <external_references type="PUBMED">41380964</external_references>
                    <external_references type="DOI">doi:10.1016/j.jbc.2025.111027</external_references>
                    <external_references type="ISSN">1083-351X</external_references>
                    <external_references type="CSD">0071</external_references>
                    <external_references type="ASTM">JBCHA3</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>9blf</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
        <other_db_list>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-44654</accession_id>
                <content_type>associated EM volume</content_type>
                <details>SARS-CoV-2 core polymerase complex inhibited by araCTP</details>
            </db_reference>
            <db_reference>
                <db_name>PDB</db_name>
                <accession_id>9PYW</accession_id>
                <content_type>unspecified</content_type>
                <details>SARS-CoV-2 nsp7, nsp8 and nsp12 bound to a primer-template pair with incorporated ara-UMP</details>
            </db_reference>
            <db_reference>
                <db_name>PDB</db_name>
                <accession_id>9PZ0</accession_id>
                <content_type>unspecified</content_type>
                <details>SARS-CoV-2 nsp7, nsp8 and nsp12 bound to a primer-template pair</details>
            </db_reference>
            <db_reference>
                <db_name>PDB</db_name>
                <accession_id>9PYZ</accession_id>
                <content_type>unspecified</content_type>
                <details>SARS-CoV-2 nsp7, nsp8 and nsp12 bound to a primer-template pair with incorporated ara-UMP and UTP</details>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>SARS-CoV-2 nsp7, nsp8, nsp12 and an RNA primer-template bound to ara-CMP and ara-CTP</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>SARS-CoV-2 nsp7, nsp8, nsp12 and an RNA primer-template bound to ara-CMP and ara-CTP</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>4</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="2697049">Severe acute respiratory syndrome coronavirus 2</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.185</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>RNA-directed RNA polymerase nsp12</name>
                <natural_source database="NCBI">
                    <organism ncbi="2697049">Severe acute respiratory syndrome coronavirus 2</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.110424898</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGSADAQSFLNRVCGVSAARLTPCGTGTSTDVVYRAFDIYNDKVAGFAKFLKTNCCRFQEKDEDDNLIDSYFVVKRHTFS
NYQHEETIYNLLKDCPAVAKHDFFKFRIDGDMVPHISRQRLTKYTMADLVYALRHFDEGNCDTLKEILVTYNCCDDDYFN
KKDWYDFVENPDILRVYANLGERVRQALLKTVQFCDAMRNAGIVGVLTLDNQDLNGNWYDFGDFIQTTPGSGVPVVDSYY
SLLMPILTLTRALTAESHVDTDLTKPYIKWDLLKYDFTEERLKLFDRYFKYWDQTYHPNCVNCLDDRCILHCANFNVLFS
TVFPPTSFGPLVRKIFVDGVPFVVSTGYHFRELGVVHNQDVNLHSSRLSFKELLVYAADPAMHAASGNLLLDKRTTCFSV
AALTNNVAFQTVKPGNFNKDFYDFAVSKGFFKEGSSVELKHFFFAQDGNAAISDYDYYRYNLPTMCDIRQLLFVVEVVDK
YFDCYDGGCINANQVIVNNLDKSAGFPFNKWGKARLYYDSMSYEDQDALFAYTKRNVIPTITQMNLKYAISAKNRARTVA
GVSICSTMTNRQFHQKLLKSIAATRGATVVIGTSKFYGGWHNMLKTVYSDVENPHLMGWDYPKCDRAMPNMLRIMASLVL
ARKHTTCCSLSHRFYRLANECAQVLSEMVMCGGSLYVKPGGTSSGDATTAYANSVFNICQAVTANVNALLSTDGNKIADK
YVRNLQHRLYECLYRNRDVDTDFVNEFYAYLRKHFSMMILSDDAVVCFNSTYASQGLVASIKNFKSVLYYQNNVFMSEAK
CWTETDLTKGPHEFCSQHTMLVKQGDDYVYLPYPDPSRILGAGCFVDDIVKTDGTLMIERFVSLAIDAYPLTKHPNQEYA
DVFHLYLQYIRKLHDELTGHMLDMYSVMLTNDNTSRYWEPEFYEAMYTPHTVLQENLYFQGSWSHPQFEKGGSGSSWSHP
QFEK</string>
                    <external_references type="UNIPROTKB">P0DTD1</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Non-structural protein 8</name>
                <natural_source database="NCBI">
                    <organism ncbi="2697049">Severe acute respiratory syndrome coronavirus 2</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.021960099999999996</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GAIASEFSSLPSYAAFATAQEAYEQAVANGDSEVVLKKLKKSLNVAKSEFDRDAAMQRKLEKMADQAMTQMYKQARSEDK
RAKVTSAMQTMLFTMLRKLDNDALNNIINNARDGCVPLNIIPLTTAAKLMVVIPDYNTYKNTCDGTTFTYASALWEIQQV
VDADSKIVQLSEISMDNSPNLAWPLIVTALRANSAVKLQ</string>
                    <external_references type="UNIPROTKB">P0DTD1</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Non-structural protein 7</name>
                <natural_source database="NCBI">
                    <organism ncbi="2697049">Severe acute respiratory syndrome coronavirus 2</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.009305854999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GSKMSDVKCTSVVLLSVLQQLRVESSSKLWAQCVQLHNDILLAKDTTEAFEKMVSLLSVLLSMQGAVDINKLCEEMLDNR
ATLQ</string>
                    <external_references type="UNIPROTKB">P0DTD1</external_references>
                </sequence>
            </protein_or_peptide>
            <rna macromolecule_id="4">
                <name>Primer RNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="2697049">Severe acute respiratory syndrome coronavirus 2</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.009815911</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>CAUUCUCCUAAGAAGCUAUUAAAAUCACAA(CAR)</string>
                </sequence>
            </rna>
            <rna macromolecule_id="5">
                <name>Template RNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.012277293</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>AAAAAGGGUUGUGAUUUUAAUAGCUUCUUAGGAGAAUG</string>
                </sequence>
            </rna>
            <ligand macromolecule_id="6">
                <name>ZINC ION</name>
                <molecular_weight>
                    <theoretical units="MDa">6.5409e-05</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <formula>ZN</formula>
            </ligand>
            <ligand macromolecule_id="7">
                <name>MAGNESIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">2.4305e-05</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <formula>MG</formula>
            </ligand>
            <ligand macromolecule_id="8">
                <name>4-amino-1-{5-O-[(S)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-beta-D-arabinofuranosyl}pyrimidin-2(1H)-one</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000483156</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <formula>HF4</formula>
            </ligand>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <single_particle_preparation preparation_id="1">
                    <concentration units="mg/mL">4</concentration>
                    <buffer>
                        <ph>7.5</ph>
                        <component>
                            <concentration units="mM">50.0</concentration>
                            <formula>NaCl</formula>
                            <name>sodium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">25.0</concentration>
                            <name>HEPES</name>
                        </component>
                        <component>
                            <concentration units="mM">2.0</concentration>
                            <formula>MgCl2</formula>
                            <name>Magnesium Chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">2.0</concentration>
                            <name>dithiothreitol</name>
                        </component>
                        <component>
                            <concentration units="mM">6.0</concentration>
                            <name>CHAPSO</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>EMS Lacey Carbon</model>
                        <material>GOLD</material>
                        <mesh>300</mesh>
                        <support_film film_type_id="1">
                            <film_material>GOLD</film_material>
                            <film_topology>HOLEY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">20</time>
                            <atmosphere>AIR</atmosphere>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TALOS ARCTICA</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
                    <c2_aperture_diameter units="µm">70.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.0</nominal_defocus_max>
                    <software_list>
                        <software>
                            <name>EPU</name>
                            <version>3.6.0.6389</version>
                        </software>
                    </software_list>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 BIOQUANTUM (6k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">60.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <ctf_correction>
                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
                </ctf_correction>
                <startup_model type_of_model="PDB ENTRY">
                    <pdb_model>
                        <pdb_id>7UOE</pdb_id>
                    </pdb_model>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.31</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>v4.4.0</version>
                        </software>
                    </software_list>
                    <number_images_used>158606</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
                <final_three_d_classification>
                    <number_classes>1</number_classes>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="67109">
        <file>emd_44654.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>256</col>
            <row>256</row>
            <sec>256</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>256</x>
            <y>256</y>
            <z>256</z>
        </spacing>
        <cell>
            <a units="Å">272.384</a>
            <b units="Å">272.384</b>
            <c units="Å">272.384</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
        </cell>
        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
            <slow>Z</slow>
        </axis_order>
        <statistics>
            <minimum>-1.370122</minimum>
            <maximum>2.2787266</maximum>
            <average>0.0017365764</average>
            <std>0.053589378</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.064</x>
            <y units="Å">1.064</y>
            <z units="Å">1.064</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.28</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-44654::::</label>
    </map>
    <interpretation>
        <segmentation_list>
            <segmentation>
                <file>emd_44654_msk_1.map</file>
            </segmentation>
        </segmentation_list>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="67109">
                <file>emd_44654_half_map_2.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>256</col>
                    <row>256</row>
                    <sec>256</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>256</x>
                    <y>256</y>
                    <z>256</z>
                </spacing>
                <cell>
                    <a units="Å">272.384</a>
                    <b units="Å">272.384</b>
                    <c units="Å">272.384</c>
                    <alpha units="deg">90.0</alpha>
                    <beta units="deg">90.0</beta>
                    <gamma units="deg">90.0</gamma>
                </cell>
                <axis_order>
                    <fast>X</fast>
                    <medium>Y</medium>
                    <slow>Z</slow>
                </axis_order>
                <statistics>
                    <minimum>-0.3450246</minimum>
                    <maximum>0.8300742</maximum>
                    <average>0.001458626</average>
                    <std>0.033905737</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.064</x>
                    <y units="Å">1.064</y>
                    <z units="Å">1.064</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-44654::::</label>
            </half_map>
            <half_map format="CCP4" size_kbytes="67109">
                <file>emd_44654_half_map_1.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>256</col>
                    <row>256</row>
                    <sec>256</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>256</x>
                    <y>256</y>
                    <z>256</z>
                </spacing>
                <cell>
                    <a units="Å">272.384</a>
                    <b units="Å">272.384</b>
                    <c units="Å">272.384</c>
                    <alpha units="deg">90.0</alpha>
                    <beta units="deg">90.0</beta>
                    <gamma units="deg">90.0</gamma>
                </cell>
                <axis_order>
                    <fast>X</fast>
                    <medium>Y</medium>
                    <slow>Z</slow>
                </axis_order>
                <statistics>
                    <minimum>-0.32801938</minimum>
                    <maximum>0.7661618</maximum>
                    <average>0.0014558457</average>
                    <std>0.0338677</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.064</x>
                    <y units="Å">1.064</y>
                    <z units="Å">1.064</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-44654::::</label>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>
